--- loncom/interface/lonuserutils.pm	2007/12/26 14:38:13	1.36
+++ loncom/interface/lonuserutils.pm	2008/01/01 17:24:59	1.37
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.36 2007/12/26 14:38:13 raeburn Exp $
+# $Id: lonuserutils.pm,v 1.37 2008/01/01 17:24:59 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -76,7 +76,7 @@ sub modifystudent {
         }
     }
     if ($result eq '') {
-        $result = 'Unable to find section for this student';
+        $result = &mt('Unable to find section for this student');
     } else {
         $result =~ s/(ok:)+/ok/g;
     }
@@ -333,17 +333,12 @@ sub print_upload_manager_header {
 sub javascript_validations {
     my ($mode,$krbdefdom,$curr_authtype,$curr_authfield,$domain,
         $context,$groupslist)=@_;
-
     my %param = (
                   kerb_def_dom => $krbdefdom,
                   curr_authtype => $curr_authtype,
                 );
-    if ($mode eq 'createuser') {
-        $param{'formname'} = 'cu';
-    } elsif ($mode eq 'upload') {
+    if ($mode eq 'upload') {
         $param{'formname'} = 'studentform';
-    } elsif ($mode eq 'singlestudent') {
-        $param{'formname'} = 'cu';
     } elsif ($mode eq 'createcourse') {
         $param{'formname'} = 'ccrs';
     } elsif ($mode eq 'modifycourse') {
@@ -367,7 +362,7 @@ sub javascript_validations {
                 }
             } elsif ($context eq 'domain') {
                 $setsection_call = 'setCourse()';
-                $setsections_js = &dc_setcourse_js($param{'formname'},$mode);
+                $setsections_js = &dc_setcourse_js($param{'formname'},$mode,$context);
             }
             $finish = "  var checkSec = $setsection_call\n".
                       "  if (checkSec == 'ok') {\n".
@@ -389,8 +384,7 @@ sub javascript_validations {
          role     => 'The optional role field was not specified.',
          continue => 'Continue adding users?',
          );
-
-    my $function_name =(<<END);
+    my $function_name = <<"END";
 $setsections_js
 
 function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
@@ -521,14 +515,8 @@ END
 }
 END
     }
-    my $result = $function_name;
-    if ( ($mode eq 'upload') || ($mode eq 'createcourse') || ($mode eq 'modifycourse')  ) {
-        $result .= $auth_checks;
-    }
-    $result .= $optional_checks."\n".$section_checks;
-    if ( ($mode eq 'upload') || ($mode eq 'createcourse') || ($mode eq 'modifycourse')  ) {
-        $result .= $authheader;
-    }
+    my $result = $function_name.$auth_checks.$optional_checks."\n".
+                 $section_checks.$authheader;
     return $result;
 }
 ###############################################################
@@ -4168,7 +4156,7 @@ sub get_groupslist {
 }
 
 sub setsections_javascript {
-    my ($formname,$groupslist,$mode) = @_;
+    my ($formname,$groupslist,$mode,$checkauth) = @_;
     my ($checkincluded,$finish,$rolecode,$setsection_js);
     if ($mode eq 'upload') {
         $checkincluded = 'formname.name == "'.$formname.'"';
@@ -4176,12 +4164,26 @@ sub setsections_javascript {
         $rolecode = "var role = formname.defaultrole.options[formname.defaultrole.selectedIndex].value;\n";
     } elsif ($formname eq 'cu') {
         $checkincluded = 'formname.elements[i-1].checked == true';
-        $finish = 'formname.submit()';
+        if ($checkauth) {
+            $finish = "var authcheck = auth_check();\n".
+                      "   if (authcheck == 'ok') {\n".
+                      "       formname.submit();\n".
+                      "   }\n";
+        } else {
+            $finish = 'formname.submit()';
+        }
         $rolecode = "var match = str.split('_');
                 var role = match[3];\n";
     } elsif ($formname eq 'enrollstudent') {
         $checkincluded = 'formname.name == "'.$formname.'"';
-        $finish = 'formname.submit()';
+        if ($checkauth) {
+            $finish = "var authcheck = auth_check();\n".
+                      "   if (authcheck == 'ok') {\n".
+                      "       formname.submit();\n".
+                      "   }\n";
+        } else {
+            $finish = 'formname.submit()';
+        }
         $rolecode = "var match = str.split('_');
                 var role = match[1];\n";
     } else {
@@ -4518,15 +4520,19 @@ sub get_course_identity {
 }
 
 sub dc_setcourse_js {
-    my ($formname,$mode) = @_;
-    my $dc_setcourse_code;
+    my ($formname,$mode,$context) = @_;
+    my ($dc_setcourse_code,$authen_check);
     my $cctext = &Apache::lonnet::plaintext('cc');
     my %alerts = &sectioncheck_alerts();
     my $role = 'role';
     if ($mode eq 'upload') {
         $role = 'courserole';
+    } else {
+        $authen_check = &verify_authen($formname,$context);
     }
     $dc_setcourse_code = (<<"SCRIPTTOP");
+$authen_check
+
 function setCourse() {
     var course = document.$formname.dccourse.value;
     if (course != "") {
@@ -4611,9 +4617,11 @@ SCRIPTTOP
             }
         }
     }
-    document.$formname.submit();
+    var authcheck = auth_check();
+    if (authcheck == 'ok') {
+        document.$formname.submit();
+    }
 }
-
 ENDSCRIPT
     } else {
         $dc_setcourse_code .=  "
@@ -4634,6 +4642,66 @@ ENDSCRIPT
         return -1;
     }
 ENDSCRIPT
+    return $dc_setcourse_code;
+}
+
+sub verify_authen {
+    my ($formname,$context) = @_;
+    my %alerts = &authcheck_alerts();
+    my $finish = "return 'ok';";
+    if ($context eq 'author') {
+        $finish = "document.$formname.submit();";
+    }
+    my $outcome = <<"ENDSCRIPT";
+
+function auth_check() {
+    var logintype;
+    if (document.$formname.login.length) {
+        if (document.$formname.login.length > 0) {
+            var loginpicked = 0;
+            for (var i=0; i<document.$formname.login.length; i++) {
+                if (document.$formname.login[i].checked == true) {
+                    loginpicked = 1;
+                    logintype = document.$formname.login[i].value;
+                }
+            }
+            if (loginpicked == 0) {
+                alert("$alerts{'authen'}");
+                return;
+            }
+        }
+    } else {
+        logintype = document.$formname.login.value;
+    }
+    if (logintype == 'nochange') {
+        return 'ok';
+    }
+    var argpicked = document.$formname.elements[logintype+'arg'].value;
+    if ((argpicked == null) || (argpicked == '') || (typeof argpicked == 'undefined')) {
+        var alertmsg = '';
+        switch (logintype) {
+            case 'krb':
+                alertmsg = '$alerts{'krb'}';
+                break;
+            case 'int':
+                alertmsg = '$alerts{'ipass'}';
+            case 'fsys':
+                alertmsg = '$alerts{'ipass'}';
+                break;
+            case 'loc':
+                alertmsg = '';
+                break;
+            default:
+                alertmsg = '';
+        }
+        if (alertmsg != '') {
+            alert(alertmsg);
+            return;
+        }
+    }
+    $finish
+}
+ENDSCRIPT
 }
 
 sub sectioncheck_alerts {
@@ -4655,5 +4723,15 @@ sub sectioncheck_alerts {
     return %alerts;
 }
 
+sub authcheck_alerts {
+    my %alerts = 
+        &Apache::lonlocal::texthash(
+                    authen => 'You must choose an authentication type.',
+                    krb    => 'You need to specify the Kerberos domain.',
+                    ipass  => 'You need to specify the initial password.',
+        );
+    return %alerts;
+}
+
 1;